Asus ROG Phone 7 Ultimate vs Samsung Galaxy S21 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

6.8
Asus ROG Phone 7 Ultimate
9.1
Samsung Galaxy S21 Ultra
Asus ROG Phone 7 Ultimate Samsung Galaxy S21 Ultra
Released · May 17, 2023
Released · Jan 29, 2021
6.8-inch · 2448x1080px
6.8-inch · 3200x1440px
Triple camera
Quad camera
16GB · 512GB
12GB · 128GB
6000 mAh
5000 mAh
Check prices

Availability

Officially announced
Apr 13, 2023 Jan 14, 2021
Prices (MSRP)
$999 $1200 | €1399

Design

Dimensions
6.81 x 3.03 x 0.41 inches
173 x 77 x 10.3 mm
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
8.43 oz (239.0 g) 8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Yes; IP54 Water, Dust; IP68
Biometrics
Optical in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Touch sensitive control keys, Dedicated game buttons
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Storm White Phantom black, Silver

Display

Size
6.8-inch, 82.27% screen-to-body 6.8-inch, 89.33% screen-to-body
Type
AMOLED, 165Hz, HDR Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution
2448x1080px, 20.4:9 ratio, 395 PPI 3200x1440px, 20:9 ratio, 516 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass Victus

Hardware

System chip
Snapdragon 8 Gen 2 SM8550 (4 nm) Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
1x3.2GHz Kryo Prime
4x2.8GHz Kryo Gold
3x2.0GHz Kryo Silve
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Adreno 740 Adreno 660
Memory
16GB (LPDDR5X)/512GB (UFS 4.0) 12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
Storage expansion
not expandable not expandable
OS
Android (13) Android (14, 13, 12, 11)

Battery

Type
6000 mAh, Li - Ion 5000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge
Reverse wired charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 65.0W Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
7h 20min
Browsing
16h 33min
Video
11h 38min
Gaming
8h 12min
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min

Camera

Rear
Triple camera Quad camera
Main camera
50 MP
Sensor size: 1/1.56"
Pixel size: 1.0 μm
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
13 MP (Ultra-wide) 12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
8 MP (Macro) 10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (120 fps), 1080p (240 fps) 8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
32 MP 40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
129
Overall
137
Photo
122
Video
N/A
Overall
N/A
Photo
N/A
Video

Connectivity & Features

Bluetooth
5.3 5.1
WLAN
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.1 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC, ANT+

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
aptX, aptX-HD 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
5G Ready n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Dual Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz (227.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless